Specification: Condition: Brand New Item Type: Soil Tester Material: Plastic + Steel Battery Information: 1pcs 7.4V 2500mAh LD74250 Lithium Battery (Built-In) Testing Object: Temperature And Humidity + Conductivity + PH + NPK Plug: US Plug Voltage: 100-240V Power Supply: 12V DC, 2500mA.H (Standard Configuration) Display Mode: 2.8in LCD Display Communication Method: USB (Read and see DB9 interface description for details) Data Storage: 4MB Storage (Standard) Working Temperature: -20~50 Working Humidity: 0-90% (Relative Humidity), Non-Condensing Charging Time: 4H Application: Used to measure the soil temperature and humidity, electrical conductivity, pH, and NPK values under ordinary natural soil. Weight: Approx. 2233g / 78.8oz Product Size: Handheld Terminal: Approx. 20x10cm / 7.9x3.9in 5-Pin Sensor: Approx. 13.8x4.5cm / 5.4x1.8in Package List: 1 x Handheld Terminal 1 x 5-Pin Sensor 1 Adapter(Type Random) 1 Cord(Type Random) 1 x Carrying Case 1 x Manual